21048292270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1281089}}^1$

素因数の和:1281180

約数の個数: 32

約数和(自身を含む): 39847023360

約数和(自身を除く): 18798731090

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 155, 265, 310, 530, 1643, 3286, 8215, 16430, 1281089, 2562178, 6405445, 12810890, 39713759, 67897717, 79427518, 135795434, 198568795, 339488585, 397137590, 678977170, 2104829227, 4209658454, 10524146135, 21048292270]

約数ペア:

[(1, 21048292270), (2, 10524146135), (5, 4209658454), (10, 2104829227), (31, 678977170), (53, 397137590), (62, 339488585), (106, 198568795), (155, 135795434), (265, 79427518), (310, 67897717), (530, 39713759), (1643, 12810890), (3286, 6405445), (8215, 2562178), (16430, 1281089)]